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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROMECAST_RENDERER_MEDIA_AUDIO_PIPELINE_PROXY_H_ | |
| 6 #define CHROMECAST_RENDERER_MEDIA_AUDIO_PIPELINE_PROXY_H_ | |
| 7 | |
| 8 #include <memory> | |
| 9 | |
| 10 #include "base/macros.h" | |
| 11 #include "base/memory/ref_counted.h" | |
| 12 #include "base/memory/weak_ptr.h" | |
| 13 #include "base/threading/thread_checker.h" | |
| 14 #include "chromecast/common/media/cma_ipc_common.h" | |
| 15 #include "media/base/pipeline_status.h" | |
| 16 | |
| 17 namespace base { | |
| 18 class SingleThreadTaskRunner; | |
| 19 class SharedMemory; | |
| 20 } | |
| 21 | |
| 22 namespace media { | |
| 23 class AudioDecoderConfig; | |
| 24 } | |
| 25 | |
| 26 namespace chromecast { | |
| 27 namespace media { | |
| 28 class AudioPipelineProxyInternal; | |
| 29 class AvStreamerProxy; | |
| 30 class CodedFrameProvider; | |
| 31 class MediaChannelProxy; | |
| 32 struct AvPipelineClient; | |
| 33 | |
| 34 class AudioPipelineProxy { | |
| 35 public: | |
| 36 AudioPipelineProxy(scoped_refptr<base::SingleThreadTaskRunner> io_task_runner, | |
| 37 scoped_refptr<MediaChannelProxy> media_channel_proxy); | |
| 38 ~AudioPipelineProxy(); | |
| 39 | |
| 40 void Initialize(const ::media::AudioDecoderConfig& config, | |
| 41 std::unique_ptr<CodedFrameProvider> frame_provider, | |
| 42 const ::media::PipelineStatusCB& status_cb); | |
| 43 void StartFeeding(); | |
| 44 void Flush(const base::Closure& done_cb); | |
| 45 void Stop(); | |
| 46 | |
| 47 void SetClient(const AvPipelineClient& client); | |
| 48 void SetVolume(float volume); | |
| 49 | |
| 50 private: | |
| 51 base::ThreadChecker thread_checker_; | |
| 52 | |
| 53 void OnAvPipeCreated(const ::media::AudioDecoderConfig& config, | |
| 54 const ::media::PipelineStatusCB& status_cb, | |
| 55 std::unique_ptr<base::SharedMemory> shared_memory); | |
| 56 void OnPipeWrite(); | |
| 57 void OnPipeRead(); | |
| 58 | |
| 59 scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_; | |
| 60 | |
| 61 // |proxy_| main goal is to convert function calls to IPC messages. | |
| 62 std::unique_ptr<AudioPipelineProxyInternal> proxy_; | |
| 63 | |
| 64 std::unique_ptr<AvStreamerProxy> audio_streamer_; | |
| 65 | |
| 66 base::WeakPtr<AudioPipelineProxy> weak_this_; | |
| 67 base::WeakPtrFactory<AudioPipelineProxy> weak_factory_; | |
| 68 | |
| 69 DISALLOW_COPY_AND_ASSIGN(AudioPipelineProxy); | |
| 70 }; | |
| 71 | |
| 72 } // namespace media | |
| 73 } // namespace chromecast | |
| 74 | |
| 75 #endif // CHROMECAST_RENDERER_MEDIA_AUDIO_PIPELINE_PROXY_H_ | |
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